The wife was "Neva." Mr. Jones had the first and middle names of Hubert Ivy.

https://www.findagrave.com/memorial/39121646/hubert-ivy-jones

I have a feeling that the "Horseshoe Inn" wasn't an actual motel or restaurant, just Mr. Jones' private game room in his garage or ranch, decorated with horseshoes of course.

Here's a photo of Neva:

https://www.findagrave.com/memorial/39121640/neva-elizabeth-jones